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| author | Felix Fietkau <nbd@nbd.name> | 2019-08-28 12:20:42 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-08-30 12:28:44 +0200 |
| commit | c8cd6e7f159e6f8d79a23df4aeaa7a540415951b (patch) | |
| tree | 8bbecf2f13065bb633e42dda0e476d3be5d8c3be /include/net/cfg80211.h | |
| parent | 7010998c6caf7cf9706f31c1880b7aeac904e874 (diff) | |
| download | lwn-c8cd6e7f159e6f8d79a23df4aeaa7a540415951b.tar.gz lwn-c8cd6e7f159e6f8d79a23df4aeaa7a540415951b.zip | |
cfg80211: add local BSS receive time to survey information
This is useful for checking how much airtime is being used up by other
transmissions on the channel, e.g. by calculating (time_rx - time_bss_rx)
or (time_busy - time_bss_rx - time_tx)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20190828102042.58016-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/cfg80211.h')
| -rw-r--r-- | include/net/cfg80211.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 5253e7f667bd..ff45c3e1abff 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -768,6 +768,7 @@ ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef) * @SURVEY_INFO_TIME_RX: receive time was filled in * @SURVEY_INFO_TIME_TX: transmit time was filled in * @SURVEY_INFO_TIME_SCAN: scan time was filled in + * @SURVEY_INFO_TIME_BSS_RX: local BSS receive time was filled in * * Used by the driver to indicate which info in &struct survey_info * it has filled in during the get_survey(). @@ -781,6 +782,7 @@ enum survey_info_flags { SURVEY_INFO_TIME_RX = BIT(5), SURVEY_INFO_TIME_TX = BIT(6), SURVEY_INFO_TIME_SCAN = BIT(7), + SURVEY_INFO_TIME_BSS_RX = BIT(8), }; /** @@ -797,6 +799,7 @@ enum survey_info_flags { * @time_rx: amount of time the radio spent receiving data * @time_tx: amount of time the radio spent transmitting data * @time_scan: amount of time the radio spent for scanning + * @time_bss_rx: amount of time the radio spent receiving data on a local BSS * * Used by dump_survey() to report back per-channel survey information. * @@ -811,6 +814,7 @@ struct survey_info { u64 time_rx; u64 time_tx; u64 time_scan; + u64 time_bss_rx; u32 filled; s8 noise; }; |